# Quantitative Aptitude: Boats and Streams Set 1

- Vimal can row a certain distance downstream in 14 hoursand return the same distance in 21 hours. If the speed of the stream is 6 kmph, Find the speed of Vimal in the still water?

A) 21 kmph

B) 15 kmph

C) 30 kmph

D) 35 kmph

E) None of these

- Rahul can row a certain distance downstream in 12 hour and return the same distance in 18 hour. If the speed of Rahul in still water is 12 kmph, find the speed of the stream?

A) 2.1 kmph

B) 1.5 kmph

C) 4.4 kmph

D) 2.4 kmph

E) None of these

- Anil can row 18 kmph in still water and he finds that it takes him twice as long to row up as to row down the river. Find the rate of stream?

A) 5 kmph

B) 6 kmph

C) 4 kmph

D) 3 kmph

E) None of these

- Mr. Suresh can row to a place 48 km away and come back in 14 hours. He finds that he can row 4 km with the stream in the same time as 3 km against the stream. The rate of the stream is?

A) 1 kmph

B) 3 kmph

C) 4 kmph

D) 6 kmph

E) None of these

- Mr.Ramesh’s speed with the current is 20 kmph and the speed of the current is 5 kmph. Ramesh’s speed against the current is?

A) 15 kmph

B) 19 kmph

C) 17 kmph

D) 10 kmph

E) None of these

- Ravi can row 12 kmph in still water when the river is running at 6 kmph it takes him 1 hour to row to a place and to come back. How far is the place?

A) 5.5 km

B) 4.5 km

C) 8.2 km

D) 4.2 km

E) None of these

- The different between downstream speed and upstream speed is 2 kmph and the total time taken during upstream and downstream is 2 hours. What is the upstream speed, if the downstream and upstream distance are 2 km each?

A) 5.2 kmph

B) 3.7 kmph

C) 2.8 kmph

D) 1.4 kmph

E) None of these

- Rani can row 8 kmph in still water. If the river is running at 4 kmph it takes 90 minutes to row to a place and back. How far is the place?

A) 4.5 km

B) 8.2 km

C) 4.2 km

D) 3.5 km

E) None of these

- Sumi can swim 6 kmph in still water. If the velocity of the stream be 2 kmph, the time taken by her to swim to a place 24 km upstream and back, is?

A) 6 hours

B) 5 hours

C) 4 hours

D) 8 hours

E) 9 hours

- Raghu can row 96 km downstream in 8 hours. If the speed of the current is 3 kmph, then find in what time will be able to cover 12 km upstream?

A) 6 hours

B) 5 hours

C) 4 hours

D) 8 hours

E) 2 hours